CN201731392U - Backlight module - Google Patents
Backlight module Download PDFInfo
- Publication number
- CN201731392U CN201731392U CN2010202917258U CN201020291725U CN201731392U CN 201731392 U CN201731392 U CN 201731392U CN 2010202917258 U CN2010202917258 U CN 2010202917258U CN 201020291725 U CN201020291725 U CN 201020291725U CN 201731392 U CN201731392 U CN 201731392U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- flexible circuit
- backlight module
- stiffening plate
- connector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000003292 glue Substances 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 abstract 5
- 239000002390 adhesive tape Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 239000004642 Polyimide Substances 0.000 description 5
- 229920001721 polyimide Polymers 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- -1 Polyethylene terephthalate Polymers 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
Images
Landscapes
- Planar Illumination Modules (AREA)
Abstract
The utility model discloses a backlight module. The backlight module is used for preventing a flexible circuit board from falling off from a connector, and comprises a rubber frame, a flexible circuit board, a reinforcing plate, a connector and a fixing piece. The reinforcing plate is provided with a first part and a second part; and the first part is adhered to one end of the flexible circuit board. One end of the flexible circuit board, adhered with the reinforcing plate, is electrically connected with the connector. The fixing piece is installed on the rubber frame and is provided with a clamping slot, wherein the second part of the reinforcing plate is inserted into the clamping slot so that the flexible circuit board is firmly inserted into the connector by means of the reinforcing plate.
Description
Technical field
The utility model is about a kind of backlight module, is meant a kind of backlight module of preventing that flexible circuit board from coming off from connector of being used to especially.
Background technology
(Liquid Crystal Display LCD) comprises liquid crystal panel and backlight module (Backlight Module) to LCD, because liquid crystal panel can't active illuminating, therefore backlight module need be set as light source.Wherein light source adopt usually cathode fluorescent tube (Cold Cathode Fluorescent Lamp, CCFL) or light emitting diode (Light Emitting Diode is LED) as light source.Light emitting diode replaces cathode fluorescent tube gradually because of having advantages such as low power consumption, life-span length, no mercury, becomes the main flow of backlight.
Please refer to Fig. 1 (please in figure, indicating prior art), Fig. 1 shows part-structure schematic diagram in the backlight module of known techniques, (Printed wire board, PWB) 12 often are positioned at the relative both sides of liquid crystal panel because of design requirement for lamp bar (Light Bar) (not icon) and printed circuit board (PCB).Therefore, (Flexible Printed Circuit, FPC) 20 palpus leap backlight modules 10 just can be attached to the connector (Connector) 30 on the printed circuit board (PCB) 12 to the flexible circuit board of electric connection lamp bar.Be the fixing flexible circuit board 20 of groove 42 that utilizes glue frame (Mold Frame) 40 at present, but because of the long relation of flexible circuit board 20 outlets, in being easy to transport or in the reliability checking because of the not enough or fixing bad flexible circuit board 20 that makes of connector 30 chucking powers comes off, thereby produce phaeodium backlight and the problem such as do not work of lighting a lamp backlight.
Have at present propose a solution for assembling flexible circuit board 20 when connector 30, it is shown in dotted line to attach adhesive tape 50(in caducous part) to strengthen the fixedly binding of flexible circuit board 20 and connector 30.Only, the method need increase the formality of many attaching adhesive tapes and the cost of adhesive tape, and reduces the speed of assembling.
Summary of the invention
In view of this, a purpose of the present utility model is to provide a kind of novel backlight module, with more firm fixed form flexible circuit board is inserted in the connector.
Another purpose of the present utility model is to provide a kind of novel backlight module, to reduce time and the cost that attaches adhesive tape.
For reaching above-mentioned purpose, the utility model provides a kind of backlight module, is used to prevent that flexible circuit board from coming off from connector, and it comprises a glue frame, a flexible circuit board, a stiffening plate, a connector and a fixture.This flexible circuit board is arranged on this glue frame.This stiffening plate has one first one and one second one, and this first one is an end that invests this flexible circuit board.End with this stiffening plate of this flexible circuit board is electrically connected at this connector.This fixture is arranged on this glue frame, and this fixture has a draw-in groove, and wherein second one of this of this stiffening plate is inserted in this draw-in groove, makes this flexible circuit board firmly be inserted in this connector by this stiffening plate.
More particularly, second of this of this stiffening plate bottom that is resisted against this draw-in groove sees through this first one of this stiffening plate with this flexible circuit board and is inserted in this connector to produce a thrust.
In a preferred embodiment, this stiffening plate is the rubber-like plastic material.In addition, this fixture is arranged at the top that this glue frame is positioned at this flexible circuit board, and this fixture and this glue frame are one-body molded.This draw-in groove of this fixture has an opening, and wherein this opening is to should stiffening plate this second one.In addition, this draw-in groove also has another opening, and this another opening makes this stiffening plate to insert this draw-in groove from this side to a side that should stiffening plate.
According to this novel preferred embodiment, the utility model utilization and the integrated fixture of glue frame insert stiffening plate in the draw-in groove of this fixture, by the thrust of draw-in groove base abuts stiffening plate, with this flexible circuit board firm be inserted in connector.Therefore, the needs that solved known techniques attach the time of adhesive tape and the shortcoming of cost.
For above-mentioned and other purpose of the present utility model, feature, advantage and embodiment can be become apparent, hereinafter will enumerate embodiment and be illustrated, and cooperate appended graphicly, be described in detail below.
Description of drawings
Fig. 1 shows part-structure schematic diagram in the backlight module of known techniques.
Fig. 2 illustrates part-structure stereogram in the backlight module of the utility model preferred embodiment.
Fig. 3 illustrates the stereogram of the fixture of the utility model preferred embodiment.
Fig. 4 illustrates the generalized section of the flexible circuit board insertion connector of the utility model preferred embodiment.
[primary clustering symbol description]
10 backlight modules
12 printed circuit board (PCB)s
20 flexible circuit boards
21 golden fingers
30 connectors
40 glue frames
41 sides
42 grooves
50 adhesive tapes
60 stiffening plates
62 first ones
64 second ones
70 fixtures
75 draw-in grooves
76,77 openings.
The specific embodiment
Below describe conjunction with figs. the preferred embodiment of backlight module of the present utility model in detail, wherein identical element numbers is that same or analogous assembly is shown in representative in difference is graphic.Please refer to Fig. 2, Fig. 2 is a part-structure stereogram in the backlight module of the utility model preferred embodiment, wherein is the backlight module of representing this preferred embodiment of the utility model with element numbers 10.This backlight module 10 comprises a glue frame 40, a flexible circuit board (Flexible Printed Circuit, FPC) 20, one stiffening plate (Stiffener) 60, a connector 30 and a fixture 70.The backlight module 10 of preferred embodiment of the present utility model is to be used to prevent that flexible circuit board 20 from coming off from connector 30.
One side 41 of the glue frame 40 of the utility model preferred embodiment has a groove 42, is used for ccontaining this flexible circuit board 20.Say that further this side 41 can be arbitrary limit of this glue frame 40, in this preferred embodiment, this groove 42 is arranged at the right edge of this glue frame 40.The structure of this flexible circuit board 20 is that flexible copper foil (Copper foil), insulating substrate and solid are formed, the about 0.1mm of its thickness, golden finger is exposed in order to electrically connect connector 30 and light emitting diode (Light-Emitting Diode, LED) lamp bar (not shown) in two ends.In this preferred embodiment, the golden finger 21(of this flexible circuit board 20 is a contact point, be shown in Fig. 4) be exposed to the bottom of flexible circuit board 20 1 ends, be insulating substrate above, wherein this insulating substrate can be polyimides (Polyimide, PI), PET (Polyethylene terephthalate, PET) or other plastic material.This flexible circuit board 20 is arranged in the groove 42 on this glue frame 40, and an end of this flexible circuit board 20 is electrically connected at light-emitting diode light bar (not shown), and it is used to provide lighting signals or electric power to this light-emitting diode light bar.
The connector 30 of the utility model preferred embodiment is arranged at a printed circuit board, and (Printed wire board is PWB) on 12.An end that is pasted with this stiffening plate 60 of this flexible circuit board 20 is to be electrically connected at this connector 30, is used to receive the signal that the circuit (not icon) of printed circuit board 12 provides, and will send light-emitting diode light bar to.
Please refer to Fig. 3, Fig. 3 shows the stereogram of the fixture of the utility model preferred embodiment.In order to clearly demonstrate, in diagram, only illustrate this fixture 70 and this glue frame 40, do not illustrate this flexible circuit board 20.Wherein this fixture 70 is arranged on this glue frame 40.More particularly, this fixture 70 is to be arranged at the top that this glue frame 40 is positioned at this flexible circuit board 20, is the flexible circuit board 20 that can be used for being fixedly set in this groove 42, the attaching of saving adhesive tape by this.This fixture 70 of it should be noted that this preferred embodiment is one-body molded with this glue frame 40, yet this fixture 70 and this glue frame 40 can also be the member of moulding separately.In addition, this fixture 70 has a draw-in groove 75, and wherein second one 64 of this of this stiffening plate 60 is inserted in this draw-in groove 75, makes this flexible circuit board 20 firmly be inserted in this connector 30 by this stiffening plate 60.
The draw-in groove 75 of the utility model preferred embodiment has an opening 76, wherein 76 pairs of this openings should stiffening plate 60 this second one 64, make this second one 64 of this stiffening plate 60 can insert these draw-in grooves 75 from this opening 76.In this preferred embodiment, this draw-in groove 75 of this fixture 70 also has another opening 77, and the side that 77 pairs of this another openings should stiffening plate 60 makes that the operator is convenient when operation this stiffening plate 60 is inserted this draw-in groove 75 from these another opening 77 side direction.Be noted that those openings 76 and 77 are communicated with, make this stiffening plate 60 can be placed in fully in this draw-in groove 75, promptly second one 64 of this of this stiffening plate 60 can protrude in this draw-in groove 75.
Fig. 4 is the generalized section that the flexible circuit board of the utility model preferred embodiment inserts connector.In order to clearly demonstrate, do not illustrate this glue frame 40 in diagram.Please refer to Fig. 4, second one 64 bottom that is resisted against this draw-in groove 75 of this of this stiffening plate 60 wherein, 75 pairs of these stiffening plates of this draw-in groove 60 produce a thrust, and (thrust direction as shown by arrows, be reaction force), this thrust sees through this first one 62 this flexible circuit board 20 of drive of this stiffening plate 60, and thrust firmly is inserted in flexible circuit board 20 this connector 30 by this.
In addition, the backlight module 10 of a preferred embodiment of the present utility model also comprises reflector plate well-known to those skilled in the art (Reflector), LGP (Light guide plate), diffusion barrier (Diffuser) and brightness enhancement film blooming pieces such as (Brightness Enhancement Film), have assemblies such as backboard in addition, then will not give unnecessary details at this.
In sum, backlight module according to a preferred embodiment of the present utility model, the utility model utilizes and glue frame 40 integrated fixtures 70, stiffening plate 60 is inserted 75 li of the draw-in grooves of these fixtures 70, by the thrust of draw-in groove 75 base abuts stiffening plates 60, with this flexible circuit board 20 firm be inserted in 30 li of connectors.Therefore the needs that solved known techniques attach the shortcoming of the consuming time and adhesive tape cost of adhesive tape.
Though the utility model discloses as above with preferred embodiment; right its is not in order to limit the utility model; have in the technical field under the utility model and know the knowledgeable usually; in not breaking away from spirit and scope of the present utility model; when being used for a variety of modifications and variations, therefore protection domain of the present utility model is as the criterion when looking accompanying the claim person of defining.
Claims (10)
1. a backlight module is used to prevent that flexible circuit board from coming off from connector, and it is characterized in that: this backlight module comprises:
One glue frame;
One flexible circuit board is arranged on this glue frame;
One stiffening plate, this stiffening plate have one first one and one second one, and this first one is an end that invests this flexible circuit board;
A connector, the end with this stiffening plate of this flexible circuit board is electrically connected at this connector; And
One fixture is arranged on this glue frame, and this fixture has a draw-in groove, and wherein second one of this of this stiffening plate is inserted in this draw-in groove, makes this flexible circuit board firmly be inserted in this connector by this stiffening plate.
2. backlight module according to claim 1 is characterized in that: wherein second of this of this stiffening plate bottom that is resisted against this draw-in groove to be producing a thrust, and this thrust sees through this first one of this stiffening plate with this flexible circuit board and is inserted in this connector.
3. backlight module according to claim 1 is characterized in that: wherein this stiffening plate is the rubber-like plastic material.
4. backlight module according to claim 1 is characterized in that: wherein this fixture is arranged at the top that this glue frame is positioned at this flexible circuit board.
5. backlight module according to claim 1 is characterized in that: wherein this fixture and this glue frame are one-body molded.
6. backlight module according to claim 1 is characterized in that: wherein this draw-in groove of this fixture has an opening, and wherein this opening is to should stiffening plate this second one.
7. backlight module according to claim 6 is characterized in that: wherein this draw-in groove of this fixture also has another opening, and this another opening makes that to a side that should stiffening plate this stiffening plate can be from this another open side to inserting this draw-in groove.
8. backlight module according to claim 1 is characterized in that: wherein this connector more is arranged on the printed circuit board.
9. backlight module according to claim 1 is characterized in that: wherein the other end of this flexible circuit board more is electrically connected at a light-emitting diode light bar.
10. backlight module according to claim 1 is characterized in that: further comprise a plurality of blooming pieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202917258U CN201731392U (en) | 2010-08-13 | 2010-08-13 | Backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202917258U CN201731392U (en) | 2010-08-13 | 2010-08-13 | Backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201731392U true CN201731392U (en) | 2011-02-02 |
Family
ID=43522550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202917258U Expired - Fee Related CN201731392U (en) | 2010-08-13 | 2010-08-13 | Backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201731392U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102401333A (en) * | 2011-11-18 | 2012-04-04 | 深圳市华星光电技术有限公司 | Back frame and backlight system |
| CN102809089A (en) * | 2011-05-31 | 2012-12-05 | 三菱电机株式会社 | Planar light source apparatus and display apparatus |
| CN103090273A (en) * | 2013-01-28 | 2013-05-08 | 京东方科技集团股份有限公司 | Straight down type backlight module and display device provided with the same |
| CN105611721A (en) * | 2016-03-15 | 2016-05-25 | 惠州Tcl移动通信有限公司 | Circuit board and electronic device with same |
-
2010
- 2010-08-13 CN CN2010202917258U patent/CN201731392U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102809089A (en) * | 2011-05-31 | 2012-12-05 | 三菱电机株式会社 | Planar light source apparatus and display apparatus |
| US20120307507A1 (en) * | 2011-05-31 | 2012-12-06 | Mitsubishi Electric Corporation | Planar light source apparatus and display apparatus using the same |
| CN102809089B (en) * | 2011-05-31 | 2015-08-26 | 三菱电机株式会社 | Surface light source apparatus and display unit |
| US9121990B2 (en) * | 2011-05-31 | 2015-09-01 | Mitsubishi Electric Corporation | Planar light source apparatus and display apparatus using the same |
| CN102401333A (en) * | 2011-11-18 | 2012-04-04 | 深圳市华星光电技术有限公司 | Back frame and backlight system |
| CN102401333B (en) * | 2011-11-18 | 2013-07-10 | 深圳市华星光电技术有限公司 | Back frame and backlight system |
| CN103090273A (en) * | 2013-01-28 | 2013-05-08 | 京东方科技集团股份有限公司 | Straight down type backlight module and display device provided with the same |
| CN105611721A (en) * | 2016-03-15 | 2016-05-25 | 惠州Tcl移动通信有限公司 | Circuit board and electronic device with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170807 Address after: Third, fourth floor, 1 floor, 6 West Road, Mawei West Road, Mawei District, Fujian, Fuzhou Co-patentee after: Chunghwa Picture Tubes Ltd. Patentee after: CPT DISPLAY TECHNOLOGY (SHENZHEN)CO., LTD. Address before: 350015 No. 1 Xingye Road, Mawei Science Park, Fujian, Fuzhou Co-patentee before: Chunghwa Picture Tubes Ltd. Patentee before: Fujian Huaying Display Technology Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110202 Termination date: 20180813 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |